diff --git a/src/main/resources/mapper/sampleManagement/TechnicalSpecificationMapper.xml b/src/main/resources/mapper/sampleManagement/TechnicalSpecificationMapper.xml
index 42d42e34..c2cc6e89 100644
--- a/src/main/resources/mapper/sampleManagement/TechnicalSpecificationMapper.xml
+++ b/src/main/resources/mapper/sampleManagement/TechnicalSpecificationMapper.xml
@@ -2522,13 +2522,20 @@
     </select>
 
     <select id="queryChangeLog" resultType="com.spring.modules.change.vo.ChangeRequestVo">
+        WITH SpecCode AS (SELECT ori_code_no
+                          FROM plm_technical_specification_sheet
+                          WHERE site = #{site}
+                            AND code_no = #{codeNo}),
+             TargetCode AS (SELECT code_no
+                            FROM plm_technical_specification_sheet
+                            WHERE ori_code_no IN (SELECT ori_code_no FROM SpecCode))
         SELECT a.site,
                a.bu_no,
                a.change_no,
                a.applicant_id,
-               dbo.get_userDisPlay(a.applicant_id)              as applicantName,
-               b.department_no                                  as applicationDepartmentId,
-               dbo.get_department_name(a.site, b.department_no) as applicationDepartmentName,
+               dbo.get_userDisPlay(a.applicant_id)              AS applicantName,
+               b.department_no                                  AS applicationDepartmentId,
+               dbo.get_department_name(a.site, b.department_no) AS applicationDepartmentName,
                a.apply_date,
                a.ecn_type,
                a.change_impact,
@@ -2536,7 +2543,7 @@
                a.ecn_stage,
                a.change_type,
                a.tp_engineer_id,
-               dbo.get_userDisPlay(a.tp_engineer_id)            as tpEngineerName,
+               dbo.get_userDisPlay(a.tp_engineer_id)            AS tpEngineerName,
                a.change_phase_in_date,
                a.df_is_product,
                a.printing,
@@ -2552,23 +2559,75 @@
                a.update_date,
                a.update_by,
                a.industrial_engineer_id,
-               dbo.get_userDisPlay(a.industrial_engineer_id)    as industrialEngineerName,
+               dbo.get_userDisPlay(a.industrial_engineer_id)    AS industrialEngineerName,
                a.change_status,
                a.cqc_operator_id,
-               dbo.get_userDisPlay(a.cqc_operator_id)           as cqcOperatorName,
+               dbo.get_userDisPlay(a.cqc_operator_id)           AS cqcOperatorName,
                a.fai_operator_id,
-               dbo.get_userDisPlay(a.fai_operator_id)           as faiOperatorName,
+               dbo.get_userDisPlay(a.fai_operator_id)           AS faiOperatorName,
                a.step_id,
                a.reject_flag,
                a.reject_step_id
         FROM plm_change_request a
-                 LEFT JOIN sys_user as b on a.site = b.site and a.applicant_id = b.username
-                 left join plm_change_request_detail pcrd on a.site = pcrd.site and a.change_no = pcrd.change_no
-        where a.site = #{site}
-          and a.show_in_query_flag = 'Y'
-          and pcrd.code_no IN
-              (SELECT code_no FROM plm_technical_specification_sheet WHERE site = #{site} AND ori_code_no = #{codeNo})
-    </select>
+                 LEFT JOIN sys_user b
+                           ON a.site = b.site AND a.applicant_id = b.username
+                 LEFT JOIN plm_change_request_detail pcrd
+                           ON a.site = pcrd.site AND a.change_no = pcrd.change_no
+        WHERE a.site = #{site}
+          AND a.show_in_query_flag = 'Y'
+          AND pcrd.code_no IN (SELECT code_no FROM TargetCode)
+    </select>
+
+    <!--    <select id="queryChangeLog" resultType="com.spring.modules.change.vo.ChangeRequestVo">-->
+<!--                SELECT a.site,-->
+<!--               a.bu_no,-->
+<!--               a.change_no,-->
+<!--               a.applicant_id,-->
+<!--               dbo.get_userDisPlay(a.applicant_id)              as applicantName,-->
+<!--               b.department_no                                  as applicationDepartmentId,-->
+<!--               dbo.get_department_name(a.site, b.department_no) as applicationDepartmentName,-->
+<!--               a.apply_date,-->
+<!--               a.ecn_type,-->
+<!--               a.change_impact,-->
+<!--               a.change_impact_desc,-->
+<!--               a.ecn_stage,-->
+<!--               a.change_type,-->
+<!--               a.tp_engineer_id,-->
+<!--               dbo.get_userDisPlay(a.tp_engineer_id)            as tpEngineerName,-->
+<!--               a.change_phase_in_date,-->
+<!--               a.df_is_product,-->
+<!--               a.printing,-->
+<!--               a.manufacturing_cost_is_change,-->
+<!--               a.change_request_desc,-->
+<!--               a.is_re_quote,-->
+<!--               a.ul_certification_requirements,-->
+<!--               a.ul_continue_to_meet_demand,-->
+<!--               a.gp_certification_requirements,-->
+<!--               a.gp_continue_to_meet_demand,-->
+<!--               a.create_date,-->
+<!--               a.create_by,-->
+<!--               a.update_date,-->
+<!--               a.update_by,-->
+<!--               a.industrial_engineer_id,-->
+<!--               dbo.get_userDisPlay(a.industrial_engineer_id)    as industrialEngineerName,-->
+<!--               a.change_status,-->
+<!--               a.cqc_operator_id,-->
+<!--               dbo.get_userDisPlay(a.cqc_operator_id)           as cqcOperatorName,-->
+<!--               a.fai_operator_id,-->
+<!--               dbo.get_userDisPlay(a.fai_operator_id)           as faiOperatorName,-->
+<!--               a.step_id,-->
+<!--               a.reject_flag,-->
+<!--               a.reject_step_id-->
+<!--        FROM plm_change_request a-->
+<!--                 LEFT JOIN sys_user as b on a.site = b.site and a.applicant_id = b.username-->
+<!--                 left join plm_change_request_detail pcrd on a.site = pcrd.site and a.change_no = pcrd.change_no-->
+<!--        where a.site = #{site}-->
+<!--          and a.show_in_query_flag = 'Y'-->
+<!--          and pcrd.code_no IN-->
+<!--              (SELECT code_no FROM plm_technical_specification_sheet WHERE site = #{site} AND ori_code_no = #{codeNo})-->
+<!--    </select>-->
+
+
 
     <update id="updateBMStepId" parameterType="PlmTechnicalSpecificationSheetData">
         update plm_technical_specification_sheet